Please help. I have 10 of these problems can you please go over each one so I can do the rest on my own. Please journalize entirely. Thank You

Journalize for Sprinkle supplies co:
The following were selected from among the transactions completed by pelops company during March of the current year:
Mar. 3rd-Purchased merchandise on account from spruce co. list price $18,000, trade discount 35% terms FOB shipping point, 2/10, n/30, with prepaid transportation costs of $620 added to the invoice.
Mar. 5th- Purchased merchandise on account from Blake Co. $10,000, terms FOB destination, 1/10, n/30.
Mar. 6th- Sold merchandise on account to Howell Co. list price $7,500, trade discount 40%, terms 2/10, n/30. The cost of the merchandise sold was $1,850.
Mar. 7th- Returned $1,800 of merchandise purchased on March 5 from Blake Co.
Mar. 13- Paid Spruce Co. on account for purchase of March 3, less discount.
Mar. 15- Paid Blake Co. on account for purchase of March 5, less return of March 7 and discount
Mar. 16- Received cash on account from sale of march 6 to Howell Co. less discount.
Mar.19-Sold merchandise on nonbank credit cards and reported accounts to the card company, american express, $4,450. The cost of the merchandise sold was $2,950.
Mar.22- Sold merchandise on account to Morton Co. $3,480, terms 2/10,n30. The cost of the merchandise sold was $1,400.
Mar. 23- Sold merchandise for cash, $7,350. The cost of the merchandise sold was $3,750.
Mar.25- Received merchandise returned by Morton Co. from sale on March 22, $1,480. The cost of the returned merchandise was $600.
Mar. 31- Received cash from American Express for nonbank credit card sales of March 19, less $290 service fee.